from d3blocks import D3Blocks
d3 = D3Blocks()
df = d3.import_example('energy')
d3.sankey(df,
          title='Sankey - d3blocks',
          filepath='sankey.html',
          figsize=(800, 600),
          node={"align": "justify", "width": 15, "padding": 15, "color": "currentColor"},
          link={"color": "source-target", "stroke_opacity": 0.5},
          margin={"top": 5, "right": 1, "bottom": 5, "left": 1},
          showfig=True,
          overwrite=True)